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Financing (Income) Expenses
 12 Months Ended
Dec. 31, 2018
FINANCING (INCOME) EXPENSES  
FINANCING (INCOME) EXPENSES

9. FINANCING (INCOME) EXPENSES

                                                                                                                                                                                                                                               

($ millions)

 
2018

 
2017

 

 

Interest on debt and finance leases

 
897

 
945

 

 

Capitalized interest at 5.4% (2017 – 5.5%)

 
(156

)
(729

)

 

 

 Interest expense

 
741

 
216

 

 

 

 Interest on partnership liability (note 35)

 
56

 
5

 

 

 

 Interest on pension and other post-retirement benefits

 
56

 
58

 

 

 

 Accretion

 
266

 
247

 

 

 

 Foreign exchange loss (gain) on U.S. dollar denominated debt

 

1 090

 
(771

)

 

 

 Foreign exchange and other

 
(70

)
(52

)

 

 

 Loss on extinguishment of long-term debt

 
3

 
113

 

 

 

 Realized gain on foreign currency hedges

 

—

 
(62

)

 

 

 

2 142

 
(246

)